.bg {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    // background-image: url("https://www.kuk8.com/uploads/allimg/170510/1-1F509151TB33.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}
.auth {
    .title-info {
    
        margin-top: 100px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 32px;

        img {
            width: 60px;
            height: 60px;
        }

        h2 {
            margin: 0;
            margin-left: 18px;
        }
    }
    .form {
        width: 400px;
        margin: 0 auto;
    }
    .item {
        margin-bottom: 16px;
        
        button {
            width: 100%;
            margin-top: 10px;
        }
    }
}